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- Dictionarysleep/sliːp/
noun
- 1. a condition of body and mind that typically recurs for several hours every night, in which the eyes are closed, the postural muscles relaxed, the activity of the brain altered, and consciousness of the surroundings practically suspended: "I was on the verge of sleep"
- 2. a gummy secretion found in the corners of the eyes after sleep: "she sat up, rubbing the sleep from her eyes"
verb
- 1. be in a state of sleep; be asleep: "she slept for half an hour"
- 2. provide (a specified number of people) with beds, rooms, or places to stay the night: "studios sleeping two people cost £70 a night"
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Learn the noun and verb meanings of sleep, as well as its synonyms, examples, etymology, and related phrases. See also the kids and medical definitions of sleep.
Learn the meaning of sleep as a noun and a verb, with synonyms, idioms and phrasal verbs. See how to use sleep in different contexts and sentences from the Cambridge English Corpus.
Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there is a marked decrease in muscle activity and interactions with the surrounding environment.
Jul 20, 1998 · Sleep is a normal, reversible, recurrent state of reduced responsiveness to external stimulation that is accompanied by complex and predictable changes in physiology. Learn about the behavioral, physiological, and subjective criteria for defining sleep, as well as the different stages and functions of sleep in humans and other animals.
Oct 1, 2021 · Learn how sleep scientists define sleep based on brain waves and physiological functions. Explore the natural patterns of sleep and the factors that disrupt them.
to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake. Synonyms: doze, drowse, nap, slumber. Botany. to assume, especially at night, a state similar to the sleep of animals, marked by closing of petals, leaves, etc.
Learn the meaning of sleep as a verb and a noun, with examples of usage and idioms. Find out how to say sleep in different languages and how to use the translator tool.
